20022400024 has 32 divisors (see below), whose sum is σ = 41022489600. Its totient is φ = 9086073120.

The previous prime is 20022400009. The next prime is 20022400093. The reversal of 20022400024 is 42000422002.

It is a junction number, because it is equal to n+sod(n) for n = 20022399980 and 20022400007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134004 + ... + 240835.

It is an arithmetic number, because the mean of its divisors is an integer number (1281952800).

Almost surely, 2^20022400024 is an apocalyptic number.

It is an amenable number.

20022400024 is an abundant number, since it is smaller than the sum of its proper divisors (21000089576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20022400024 is a wasteful number, since it uses less digits than its factorization.

20022400024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375463 (or 375459 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20022400024 its reverse (42000422002), we get a palindrome (62022822026).

The spelling of 20022400024 in words is "twenty billion, twenty-two million, four hundred thousand, twenty-four".